#define _CRT_SECURE_NO_WARNINGS 1
#include<iostream>
#include<string.h>
#include<string>

using namespace std;

#include"string.h"

int main()
{
	lcy::string s = "123456";
	cout << s.size() << endl;
	for (auto e : s)
	{
		cout << e << " "; 
	}
	cout << endl;
	s.insert(0, "1023");
	for (auto e : s)
	{
		cout << e << " ";
	}
	return 0;
}